178 OPHIDIANS. 
angle, formed by the junction of two straight lines, and other 
groups of lines converging from common centres, suggest crys- 
tals, as shown in Fig. 18. 
MICROSCOPICAL SFIGMAS, SHOWING THE APPEARANCE OF THE 
POISONS IN THE, BLOOD oF A DOG AND OF A Fow.L. 
As taken by Dr. Douglas Cunningham, Bengal. 
Fie, 3. Fie. 4. 
330 diameters. 750 diameters, 
Fia. 5. Fie. 6. 
1080 diameters. 330 diameters. 
Figs. 3, 4, and 5 show the microscopical sfigmas of Cobra- 
poison in the blood of a dog. : 
